Rudder tab for suppression of tip vortex cavitation

Details Rudder tab for suppression of tip vortex cavitation Rudder tab for suppression of tip vortex cavitation

1999-05-10

2000-08-15

Basinger, Sherman

Ships

Keels

114126, 114162, 114274, B63B 338

Patent

active

061019631

ABSTRACT:
Cavitation of a hydrofoil element, such as the rudder of a marine vessel, om exposure to a body of water during onset flow at different angles to the chordal axis of the rudder profile, is suppressed by a tab on the lower end tip of the rudder. Such tab has external surfaces thereon which affect flow separation relative to the rudder so as to suppress or delay cavitation.

REFERENCES:
patent: 3230920 (1966-01-01), Pislorz-nalecki
patent: 3753415 (1973-08-01), Burtis
patent: 4050397 (1977-09-01), Vanderleest
patent: 5415122 (1995-05-01), Shen
patent: 5456200 (1995-10-01), Shen

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